A deep learning-based cytological image rapid and accurate identification method and system

By employing deep learning methods for multi-scale feature extraction and dynamic edge enhancement, the problem of misdiagnosis and missed diagnosis in FNAC image recognition has been solved, achieving highly accurate and consistent cytological image recognition applicable to various medical scenarios.

CN122416441APending Publication Date: 2026-07-17PEKING UNIV SCHOOL OF STOMATOLOGY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
PEKING UNIV SCHOOL OF STOMATOLOGY
Filing Date
2026-04-22
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing deep learning models in FNAC image recognition suffer from insufficient receptive fields and low tolerance to low cell counts and complex backgrounds, resulting in high rates of misdiagnosis and missed diagnosis. Furthermore, they lack diagnostic consistency and information utilization, making it difficult to meet the needs of precise stratification and standardized management.

Method used

By employing a process of multi-scale feature extraction, fine-grained optimization of shallow features, multi-scale feature fusion, and dynamic edge enhancement, and by constructing a multi-scale representation fusion network model and an edge dynamic enhancement algorithm, accurate identification of FNAC cytology images is achieved.

Benefits of technology

It improves the accuracy of benign and malignant identification, reduces the false negative and false positive rates, enhances diagnostic consistency and efficiency, supports rapid pre-screening of batch samples, and adapts to the application needs of different medical institutions.

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Abstract

本发明公开了一种基于深度学习的细胞学图像快速精准识别方法及系统。包括:获取FNAC细胞学图像,并对图像进行预处理;构建多尺度表征融合网络模型,将预处理后的FNAC细胞学图像输入多尺度表征融合网络模型进行融合处理,得到融合特征;将融合特征输入边缘动态增强算法进行处理得到增强特征;将增强特征进行归一化处理并接入长程依赖建模单元整合全局特征,再通过通道注意力对有效通道赋权提纯关键特征,得到最终输出特征;将最终输出特征经池化与分类头输出FNAC图像的预测类别与置信度,并同步生成显著性热力图以指示关键异常细胞区域。
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